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Finding the Fourth Proportional to 119,493.84, 179,199.45 and 52,980.49

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Solution

The fourth proportional to 119,493.84, 179,199.45 and 52,980.49 is: 79,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,493.84 : 179,199.45 = 52,980.49 : x
  2. Step 2: Convert to fraction form
    119,493.84/179,199.45 = 52,980.49/x
  3. Step 3: Cross multiply
    119,493.84x = 179,199.45 × 52,980.49
  4. Step 4: Simplify right side
    119,493.84x = 9,494,073,507.83
  5. Step 5: Solve for x
    x = 9,494,073,507.83/119,493.84
  6. Step 6: Final answer
    x = 79,452.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.